Mapping Tonal Harmony Pro CrashesThis is a list of crashes and issues in Mapping Tonal Harmony Pro 9 and how to solve them in different devices.

The app crashes when I hit play (or it sounds weird when playing backing tracks)

Solution. Check that the A.I. players range makes sense. Open the players menu and change the player to reset the voicings range. Then save the performance (on macOS just click on the SAVE button on the top menu, on iOS tap on the “box with an arrow”